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Finding the Fourth Proportional to 8,699.10, 13,046.01 and 2,458.62

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Solution

The fourth proportional to 8,699.10, 13,046.01 and 2,458.62 is: 3,687.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,699.10 : 13,046.01 = 2,458.62 : x
  2. Step 2: Convert to fraction form
    8,699.10/13,046.01 = 2,458.62/x
  3. Step 3: Cross multiply
    8,699.10x = 13,046.01 × 2,458.62
  4. Step 4: Simplify right side
    8,699.10x = 32,075,181.11
  5. Step 5: Solve for x
    x = 32,075,181.11/8,699.10
  6. Step 6: Final answer
    x = 3,687.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.